Suppose X Is a Normal Random Variable with Mean of 70

question 88

Multiple Choice

Suppose X is a normal random variable with mean of 70 and standard deviation of 4.The Z-score was calculated for a number,and it was 2.85.What is X?

• A)58.6
• B)81.4
• C)65.8
• D)75.7

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Definitions:

Intervention

An action or process of intervening, often aimed at improving a health condition or preventing adverse outcomes.

Best Practice

Techniques or methodologies that, through experience and research, have reliably led to desired or optimum outcomes.

Special Needs

A term for individuals who require additional or specific support due to physical, developmental, or emotional disabilities or challenges.

Integration

The process of combining parts or elements to form a whole, often used in the context of systems or social inclusion.